Pith Number

pith:G6PZPZCX

pith:2019:G6PZPZCXC4JIDGOSX5W7UGTEOZ

not attested not anchored not stored refs pending

Air Quality Measurement Based on Double-Channel Convolutional Neural Network Ensemble Learning

Chunfeng Song, Wei Zheng, Zhenyu Wang

arxiv:1902.06942 v3 · 2019-02-19 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6PZPZCXC4JIDGOSX5W7UGTEOZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:52:26.684496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

379f97e45717128199d2bf6dfa1a64766793700ddeee0f058990b04dfc40f057

Aliases

arxiv: 1902.06942 · arxiv_version: 1902.06942v3 · doi: 10.48550/arxiv.1902.06942 · pith_short_12: G6PZPZCXC4JI · pith_short_16: G6PZPZCXC4JIDGOS · pith_short_8: G6PZPZCX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/G6PZPZCXC4JIDGOSX5W7UGTEOZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 379f97e45717128199d2bf6dfa1a64766793700ddeee0f058990b04dfc40f057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a13e59f86e7b52e537fb7b6fddc3ace1b0396160321d39516c08a0d76fe5a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-19T08:05:54Z",
    "title_canon_sha256": "8cb54fa5e8c9fa350f26c0831d6e695735ed676f2d3a7ee8108a712f83b7ab90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06942",
    "kind": "arxiv",
    "version": 3
  }
}